Multiwalled Carbon Nanotube Nanofluids Used for Heat Dissipation in Hybrid Green Energy Systems

Table 1

Experimental data of CNWNFs properties.

Experimental data
Item	𝑇	Water	0.125 wt.%	0.25 wt.%	0.5 wt.%
Density; (𝜌nf)	40	991.7	992.5	994.4	996.6
	50	986.0	987.8	988.9	993.0
	60	981.0	981.8	983.1	986.6
Specific heat; (𝑐𝑝,nf)	40	4.18	4.59	4.53	4.15
	50	4.18	4.60	4.55	4.16
	60	4.18	4.62	4.57	4.16
Viscosity; (𝜇nf)	40	0.65	0.7	0.82	1.44
	50	0.55	0.68	0.7	1.12
	60	0.52	0.56	0.6	0.9
Thermal conductivity; (𝑘nf)	40	0.62	0.50	0.58	0.62
	50	0.64	0.74	0.94	1.49
	60	0.65	0.97	1.25	2.20